Exchange 2003 and Hybrid Configuration Wizard
Hi guys,I was looking at an old Exchange 2003 hybrid server today and there was a bunch of connectors to anti-spam appliances and so forth, a real mess.My questions is if we want the flow to go as...
View ArticleExchange 2013 and Hybrid Configuration Wizard
Hi guys,I was looking at an old Exchange 2013 hybrid server today and there was a bunch of connectors to anti-spam appliances and so forth, a real mess.My questions is if we want the flow to go as...
View ArticleAutodiscover DNS records for multiple domain names
Hello,I have one multi tenant server. Right now it is configured with self-signed certificate. I would like to move to a normal certificate. There are 5 domain names.I read somewhere some time ago that...
View Article554 5.6.0 Corrupt message content
Some users are not recieving emails sent to a distribution list but some recieve the same email. After looking at the tracking logs I got the 554.5.6.0 errors on this users. But why do others get the...
View Article421 4.3.2 Service not available
A relatively new installation (3 weeks) of EX2013 and for the last 2 days, every 4-5 hours or so, inbound mail stops. I have checked the event logs and nothing, no errors show. A test through...
View Article450 4.5.0 no recipient succeeded from Exchange Online to Exchange 2013 on-prem
Exchange Online Sender receives this bounce-back: "Remote server returned '450 4.5.0 no recipient succeeded'I can't find much information about this NDR.I'm (Exchange 2013 on-prem) on the receiving end...
View ArticleMicrosoft Exchange Auth Certificate is going to expire
I was getting a warning says "Microsoft Exchange Auth Certificate is going to expire soon" like that.This certificate was self generated and would like to renew before expire and i had clicked on renew...
View ArticleHow to apply retention policy
I'm trying to apply a retention policy to a shared mailbox. I'm using OWA, but when I try to set the policy for a folder, the only option is 'Use parent folder policy', while '1 year delete' is set...
View ArticleSORBS SPAM " WILL BE DE-ACTIVATED VERIFY YOUR EMAIL WITHIN 48HOURS "
Hello Good People,I need to undertsand why i received this email.Do i have to do some policy etc.Appreciate your feedback.Regards,Arif
View ArticleBounce back emails to external domains
Hello Good People,My users receiving bounce back emails when they are sending email to few external domains.We user smart hosts, How do i start troubleshooting the issue ?Do i have to contact the smart...
View ArticleMaximum attachment Size
Hello, I configured TransportConfig MaxReceiveSize 50MB MaxSendSize 50MB. SendConnector also 50MB, ReceiveConnector same. But when I open OWA I can only add 25MB attachment.Where is could be the...
View Articlesmtp relay for certain domains
hi,is it possible to make a relay connector for a certain domains ( gmail , hotmail, yahoo) because my mails always in spam andcompanies like dnsexit count relay by mails .and thanks
View ArticleExchange increase message size?
Hello,I add 10 MB attachment, will be message size 10MB or higher? Why higher?Thanks
View ArticleTemporarily block emails to a particular user
Hello,I want to block emails to a particular user but the rest flow. I can't change this users email address during that time. I need their account active. So if I want to block new emails going to...
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Odd characters hidden in phishing email
Hello. We've been getting some phishing emails that appear to be written with standard (English) characters. ..At least that's the way it appears when viewed in Outlook. However, when we copy and...
View ArticleExchange 2013 - multiple SMTP Addresses
Hi there,We are are group of companies, and we have multiple accepted domains with different email address policies to have different SMTP addresses.Some users, mostly accounts and HR team, have SMTP...
View ArticleRemote Server returned '550 5.7.1 RESOLVER.RST.AuthRequired; authentication...
We are in a Hybrid environment, all of our mailboxes are hosted in O365 but we have an on premise Exchange server for mail relay. We just installed an Exchange 2013 server today (we have Lync 2010 so...
View ArticleExchange not routing messages indvidually
I have an Exchange organisation with multiple Exchange server within a single AD that spans multiple AD sites, with an Exchange server at each site, and each exchange server sends & receives emails...
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"Spambox" Folder in Outlook
I've got a user that has been having a weird issue for months that I just found out about but also can't figure out. Please note even though we're currently in a Hybrid configuration this issue existed...
View ArticleEdge - Multiple AD sites
HI,I have a DAG spanning thru 2 diferente AD site.Site A and Site BIn each site we are planning to subscribe 2 Edge Servers (2 in each site). They will handle the inboud and outbound mail flow thru and...
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